Troubleshooting (350) - Arctic Cat 350 2011 Service Manual

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INSTALLING
1. Mark the new fuel pump with a reference mark in
the same location as the removed pump; then place
the new gasket on the pump.
2. Remove the material covering the fuel pump open-
ing; then carefully guide the fuel pump into posi-
tion taking care not to damage the float or float
lever.

Troubleshooting (350)

Problem: Starting impaired
Condition
1. Starter jet obstructed
2. Starter jet passage obstructed
3. Carburetor leaking air
4. Gas contaminated
Problem: Idling or low speed impaired
Condition
1. Slow jet obstructed - loose
2. Slow jet outlet obstructed
3. Low speed fuel screw setting incorrect
4. Float height incorrect
5. TPS out of adjustment
Problem: Medium or high speed impaired
Condition
1. High RPM "cut out" against RPM limiter
2. Main jet obstructed
3. Needle jet obstructed
4. Vacuum piston not operating properly
5. Filter obstructed
6. Float height incorrect
Problem: Overflow and fuel level fluctuations
Condition
1. Float valve worn - damaged
2. Float valve spring broken
3. Float not working properly
4. Float valve dirty
5. Float height too high - too low
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Manual
Table of Contents
3. Rotate the fuel pump until the match marks align;
then install the mounting screws and tighten
securely using a crisscross pattern.
NOTE: It is important to install the fuel pump with
the correct orientation to ensure adequate float
lever clearance.
4. Connect the wires and fuel hose; then connect the
negative battery cable and turn the ignition switch
to the ON position. Note that the fuel pump runs
momentarily and the fuel gauge indicates the
proper fuel level.
5. With the transmission in neutral and brake lever
lock engaged, start the engine and check for nor-
mal operation. Check for any fuel leaks.
6. Install the gas tank cover, side heat shields, and
seat making sure the seat locks securely.
Remedy
1. Clean jet
2. Clean passage
3. Replace gasket
4. Drain gas tank and fill with clean gas
Remedy
1. Clean - tighten jet
2. Clean outlet
3. Adjust screw
4. Adjust float height
5. Adjust TPS
Remedy
1. Shift into higher gear - decrease RPM speed
2. Clean main jet
3. Clean needle jet
4. Check piston operation
5. Clean filter
6. Adjust float height
Remedy
1. Replace valve
2. Replace spring
3. Adjust float height - replace float
4. Clean valve
5. Adjust float height
Section
Table of Contents
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